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jackdog liked jpflat2a's post in the thread Amc 360 Loses Oil Pressure.

And the oil pump gears/housing appear okay ?

jackdog liked PeteL's post in the thread Amc 360 Loses Oil Pressure.

Is there a non-return check valve which is leaking down?

jackdog liked jeepdaddy2000's post in the thread Amc 360 Loses Oil Pressure.

I would check the anti drainback valve as well as the bypass valve. I've seen the bypass valve stick in the bore. While this usually...

jackdog liked Daryl's post in the thread Amc 360 Loses Oil Pressure.

Not every oil filter works on an AMC motor. Try another brand or one that specifically states to be anti drainback.

jackdog liked Keys5a's post in the thread Amc 360 Loses Oil Pressure.

X2. The incorrect filter can allow gravity to drain the pump and pickup. -Donny

jackdog liked Ol Fogie's post in the thread Amc 360 Loses Oil Pressure.

Could someone supply the brand and number that has this anti drain back valve filter for the 304.

jackdog liked 45es's post in the thread Amc 360 Loses Oil Pressure.

WIX 51258, FRAM PH25, BOSCH 3423, FRAM HP5

jackdog replied to the thread Amc 360 Loses Oil Pressure.

I was told by the owner he had a oil pump kit put in it, new gears, spring and check valve. Last time I had it in the garage I had the...

jackdog replied to the thread Amc 360 Loses Oil Pressure.

New gears, housing looks ok.

jackdog posted a new thread.

Amc 360 Loses Oil Pressure

Been working on a 1980 something CJ7 that has a AMC 360 installed. After setting for a long time it will not build oil pressure. I have...

Forum: Intermediate CJ-5/6/7/8